Barlean's Brevail Plant Lignan Extract, 30 Capsules supplement bottle
Barlean's

Brevail Plant Lignan Extract, 30 Capsules

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
68
Product Score Fair
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg 50%
Flaxseed Extract (20% Secoisolariciresinol Diglucoside) 250 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (as cholecalciferol) (400 IU) Good
  • Flaxseed Extract (20% Secoisolariciresinol Diglucoside) Fair
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Hypromellose (Capsule)
  • Magnesium Stearate
Efficacy Very Poor

Dosage Analysis

  • Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as cholecalciferol) (400 IU) 10 mcg 50%
Flaxseed Extract (20% Secoisolariciresinol Diglucoside) 250 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $22.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Barlean's

Founded 1989 · Ferndale, Washington, USA · 72 products · barleans.com/

Certifications

4 certifications
Consumerlab Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source

Violation History

2 incidents
Prop 65 Lead2018-07-17Source
Lawsuit False advertising, unsubstantiated health claims, and failure to disclose lead content in violation of California's Proposition 65 for its Greens Supplement Powders.2018Source
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Frequently Asked Questions
Is Barlean's Brevail Plant Lignan Extract, 30 Capsules a good supplement?

Barlean's Brevail Plant Lignan Extract, 30 Capsules received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Barlean's, holds a brand trust score of 79/100 with 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified.

What are the ingredients in Barlean's Brevail Plant Lignan Extract, 30 Capsules?

Barlean's Brevail Plant Lignan Extract, 30 Capsules contains 2 active ingredients: Vitamin D3 (as cholecalciferol) (400 IU) (10 mcg), Flaxseed Extract (20% Secoisolariciresinol Diglucoside) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Barlean's Brevail Plant Lignan Extract, 30 Capsules safe to take?

Barlean's Brevail Plant Lignan Extract, 30 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Barlean's a trustworthy supplement brand?

Barlean's receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Ferndale, Washington, USA, the company offers 72 products in their lineup. They hold 4 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Barlean's has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.